Remove LayoutState.

sky/engine/core/rendering/RenderView.h

Index: sky/engine/core/rendering/RenderView.h
diff --git a/sky/engine/core/rendering/RenderView.h b/sky/engine/core/rendering/RenderView.h
index 463eaac783f58b3abd79b134db0756eac9175311..66f0cc240c92e32b8ad6166d2ed7b41854818346 100644
--- a/sky/engine/core/rendering/RenderView.h
+++ b/sky/engine/core/rendering/RenderView.h
@@ -23,7 +23,6 @@
 #define SKY_ENGINE_CORE_RENDERING_RENDERVIEW_H_
 
 #include "sky/engine/core/frame/FrameView.h"
-#include "sky/engine/core/rendering/LayoutState.h"
 #include "sky/engine/core/rendering/RenderBlockFlow.h"
 #include "sky/engine/core/rendering/RenderIFrame.h"
 #include "sky/engine/wtf/OwnPtr.h"
@@ -82,8 +81,6 @@ public:
 
     virtual LayoutRect viewRect() const override;
 
-    LayoutState* layoutState() const { return m_layoutState; }
-
     IntRect unscaledDocumentRect() const;
     LayoutRect backgroundRect(RenderBox* backgroundRenderer) const;
 
@@ -92,9 +89,6 @@ public:
     double layoutViewportWidth() const;
     double layoutViewportHeight() const;
 
-    void pushLayoutState(LayoutState&);
-    void popLayoutState();
-
     void addIFrame(RenderIFrame* iframe);
     void removeIFrame(RenderIFrame* iframe);
     void updateIFramesAfterLayout();
@@ -104,11 +98,6 @@ private:
     virtual const RenderObject* pushMappingToContainer(const RenderLayerModelObject* ancestorToStopAt, RenderGeometryMap&) const override;
     virtual void mapAbsoluteToLocalPoint(MapCoordinatesFlags, TransformState&) const override;
 
-    void layoutContent();
-#if ENABLE(ASSERT)
-    void checkLayoutState();
-#endif
-
     void positionDialog(RenderBox*);
     void positionDialogs();
 
@@ -120,8 +109,6 @@ private:
     int m_selectionStartPos;
     int m_selectionEndPos;
 
-    LayoutState* m_layoutState;
-
     unsigned m_renderCounterCount;
 
     unsigned m_hitTestCount;